/*
 * ColorPicker.java
 * NairnFEAMPMViz Application
 * 
 * Created by John Nairn on 2/28/07.
 * Copyright 2007 RSAC Software. All rights reserved.
 */

import java.awt.*;

// No instance - all static variables and methods to handle
// color spectrum of plots
public class ColorPicker
{
	// variables and constants
	public static final int BLUE_TO_CYAN=0;
	public static final int BLUE_TO_RED=1;
	public static final int PURPLE_TO_ORANGE=2;
	public static final int GRAY_SCALE=3;
	public static final int COOL_DIVERGING=4;
	public static final int VIRIDIS=5;
	public static final int MAGMA=6;
	public static final int INFERNO=7;
	public static final int PLASMA=8;
	
	private static int spectrum=BLUE_TO_RED;
	public static int numberContours=1;
	private static boolean inverted=false;
	private static float brightness=1.0f;
	
	private static double[][] viridis = {{0.267004, 0.004874, 0.329415},
			{0.268510, 0.009605, 0.335427},
			{0.269944, 0.014625, 0.341379},
			{0.271305, 0.019942, 0.347269},
			{0.272594, 0.025563, 0.353093},
			{0.273809, 0.031497, 0.358853},
			{0.274952, 0.037752, 0.364543},
			{0.276022, 0.044167, 0.370164},
			{0.277018, 0.050344, 0.375715},
			{0.277941, 0.056324, 0.381191},
			{0.278791, 0.062145, 0.386592},
			{0.279566, 0.067836, 0.391917},
			{0.280267, 0.073417, 0.397163},
			{0.280894, 0.078907, 0.402329},
			{0.281446, 0.084320, 0.407414},
			{0.281924, 0.089666, 0.412415},
			{0.282327, 0.094955, 0.417331},
			{0.282656, 0.100196, 0.422160},
			{0.282910, 0.105393, 0.426902},
			{0.283091, 0.110553, 0.431554},
			{0.283197, 0.115680, 0.436115},
			{0.283229, 0.120777, 0.440584},
			{0.283187, 0.125848, 0.444960},
			{0.283072, 0.130895, 0.449241},
			{0.282884, 0.135920, 0.453427},
			{0.282623, 0.140926, 0.457517},
			{0.282290, 0.145912, 0.461510},
			{0.281887, 0.150881, 0.465405},
			{0.281412, 0.155834, 0.469201},
			{0.280868, 0.160771, 0.472899},
			{0.280255, 0.165693, 0.476498},
			{0.279574, 0.170599, 0.479997},
			{0.278826, 0.175490, 0.483397},
			{0.278012, 0.180367, 0.486697},
			{0.277134, 0.185228, 0.489898},
			{0.276194, 0.190074, 0.493001},
			{0.275191, 0.194905, 0.496005},
			{0.274128, 0.199721, 0.498911},
			{0.273006, 0.204520, 0.501721},
			{0.271828, 0.209303, 0.504434},
			{0.270595, 0.214069, 0.507052},
			{0.269308, 0.218818, 0.509577},
			{0.267968, 0.223549, 0.512008},
			{0.266580, 0.228262, 0.514349},
			{0.265145, 0.232956, 0.516599},
			{0.263663, 0.237631, 0.518762},
			{0.262138, 0.242286, 0.520837},
			{0.260571, 0.246922, 0.522828},
			{0.258965, 0.251537, 0.524736},
			{0.257322, 0.256130, 0.526563},
			{0.255645, 0.260703, 0.528312},
			{0.253935, 0.265254, 0.529983},
			{0.252194, 0.269783, 0.531579},
			{0.250425, 0.274290, 0.533103},
			{0.248629, 0.278775, 0.534556},
			{0.246811, 0.283237, 0.535941},
			{0.244972, 0.287675, 0.537260},
			{0.243113, 0.292092, 0.538516},
			{0.241237, 0.296485, 0.539709},
			{0.239346, 0.300855, 0.540844},
			{0.237441, 0.305202, 0.541921},
			{0.235526, 0.309527, 0.542944},
			{0.233603, 0.313828, 0.543914},
			{0.231674, 0.318106, 0.544834},
			{0.229739, 0.322361, 0.545706},
			{0.227802, 0.326594, 0.546532},
			{0.225863, 0.330805, 0.547314},
			{0.223925, 0.334994, 0.548053},
			{0.221989, 0.339161, 0.548752},
			{0.220057, 0.343307, 0.549413},
			{0.218130, 0.347432, 0.550038},
			{0.216210, 0.351535, 0.550627},
			{0.214298, 0.355619, 0.551184},
			{0.212395, 0.359683, 0.551710},
			{0.210503, 0.363727, 0.552206},
			{0.208623, 0.367752, 0.552675},
			{0.206756, 0.371758, 0.553117},
			{0.204903, 0.375746, 0.553533},
			{0.203063, 0.379716, 0.553925},
			{0.201239, 0.383670, 0.554294},
			{0.199430, 0.387607, 0.554642},
			{0.197636, 0.391528, 0.554969},
			{0.195860, 0.395433, 0.555276},
			{0.194100, 0.399323, 0.555565},
			{0.192357, 0.403199, 0.555836},
			{0.190631, 0.407061, 0.556089},
			{0.188923, 0.410910, 0.556326},
			{0.187231, 0.414746, 0.556547},
			{0.185556, 0.418570, 0.556753},
			{0.183898, 0.422383, 0.556944},
			{0.182256, 0.426184, 0.557120},
			{0.180629, 0.429975, 0.557282},
			{0.179019, 0.433756, 0.557430},
			{0.177423, 0.437527, 0.557565},
			{0.175841, 0.441290, 0.557685},
			{0.174274, 0.445044, 0.557792},
			{0.172719, 0.448791, 0.557885},
			{0.171176, 0.452530, 0.557965},
			{0.169646, 0.456262, 0.558030},
			{0.168126, 0.459988, 0.558082},
			{0.166617, 0.463708, 0.558119},
			{0.165117, 0.467423, 0.558141},
			{0.163625, 0.471133, 0.558148},
			{0.162142, 0.474838, 0.558140},
			{0.160665, 0.478540, 0.558115},
			{0.159194, 0.482237, 0.558073},
			{0.157729, 0.485932, 0.558013},
			{0.156270, 0.489624, 0.557936},
			{0.154815, 0.493313, 0.557840},
			{0.153364, 0.497000, 0.557724},
			{0.151918, 0.500685, 0.557587},
			{0.150476, 0.504369, 0.557430},
			{0.149039, 0.508051, 0.557250},
			{0.147607, 0.511733, 0.557049},
			{0.146180, 0.515413, 0.556823},
			{0.144759, 0.519093, 0.556572},
			{0.143343, 0.522773, 0.556295},
			{0.141935, 0.526453, 0.555991},
			{0.140536, 0.530132, 0.555659},
			{0.139147, 0.533812, 0.555298},
			{0.137770, 0.537492, 0.554906},
			{0.136408, 0.541173, 0.554483},
			{0.135066, 0.544853, 0.554029},
			{0.133743, 0.548535, 0.553541},
			{0.132444, 0.552216, 0.553018},
			{0.131172, 0.555899, 0.552459},
			{0.129933, 0.559582, 0.551864},
			{0.128729, 0.563265, 0.551229},
			{0.127568, 0.566949, 0.550556},
			{0.126453, 0.570633, 0.549841},
			{0.125394, 0.574318, 0.549086},
			{0.124395, 0.578002, 0.548287},
			{0.123463, 0.581687, 0.547445},
			{0.122606, 0.585371, 0.546557},
			{0.121831, 0.589055, 0.545623},
			{0.121148, 0.592739, 0.544641},
			{0.120565, 0.596422, 0.543611},
			{0.120092, 0.600104, 0.542530},
			{0.119738, 0.603785, 0.541400},
			{0.119512, 0.607464, 0.540218},
			{0.119423, 0.611141, 0.538982},
			{0.119483, 0.614817, 0.537692},
			{0.119699, 0.618490, 0.536347},
			{0.120081, 0.622161, 0.534946},
			{0.120638, 0.625828, 0.533488},
			{0.121380, 0.629492, 0.531973},
			{0.122312, 0.633153, 0.530398},
			{0.123444, 0.636809, 0.528763},
			{0.124780, 0.640461, 0.527068},
			{0.126326, 0.644107, 0.525311},
			{0.128087, 0.647749, 0.523491},
			{0.130067, 0.651384, 0.521608},
			{0.132268, 0.655014, 0.519661},
			{0.134692, 0.658636, 0.517649},
			{0.137339, 0.662252, 0.515571},
			{0.140210, 0.665859, 0.513427},
			{0.143303, 0.669459, 0.511215},
			{0.146616, 0.673050, 0.508936},
			{0.150148, 0.676631, 0.506589},
			{0.153894, 0.680203, 0.504172},
			{0.157851, 0.683765, 0.501686},
			{0.162016, 0.687316, 0.499129},
			{0.166383, 0.690856, 0.496502},
			{0.170948, 0.694384, 0.493803},
			{0.175707, 0.697900, 0.491033},
			{0.180653, 0.701402, 0.488189},
			{0.185783, 0.704891, 0.485273},
			{0.191090, 0.708366, 0.482284},
			{0.196571, 0.711827, 0.479221},
			{0.202219, 0.715272, 0.476084},
			{0.208030, 0.718701, 0.472873},
			{0.214000, 0.722114, 0.469588},
			{0.220124, 0.725509, 0.466226},
			{0.226397, 0.728888, 0.462789},
			{0.232815, 0.732247, 0.459277},
			{0.239374, 0.735588, 0.455688},
			{0.246070, 0.738910, 0.452024},
			{0.252899, 0.742211, 0.448284},
			{0.259857, 0.745492, 0.444467},
			{0.266941, 0.748751, 0.440573},
			{0.274149, 0.751988, 0.436601},
			{0.281477, 0.755203, 0.432552},
			{0.288921, 0.758394, 0.428426},
			{0.296479, 0.761561, 0.424223},
			{0.304148, 0.764704, 0.419943},
			{0.311925, 0.767822, 0.415586},
			{0.319809, 0.770914, 0.411152},
			{0.327796, 0.773980, 0.406640},
			{0.335885, 0.777018, 0.402049},
			{0.344074, 0.780029, 0.397381},
			{0.352360, 0.783011, 0.392636},
			{0.360741, 0.785964, 0.387814},
			{0.369214, 0.788888, 0.382914},
			{0.377779, 0.791781, 0.377939},
			{0.386433, 0.794644, 0.372886},
			{0.395174, 0.797475, 0.367757},
			{0.404001, 0.800275, 0.362552},
			{0.412913, 0.803041, 0.357269},
			{0.421908, 0.805774, 0.351910},
			{0.430983, 0.808473, 0.346476},
			{0.440137, 0.811138, 0.340967},
			{0.449368, 0.813768, 0.335384},
			{0.458674, 0.816363, 0.329727},
			{0.468053, 0.818921, 0.323998},
			{0.477504, 0.821444, 0.318195},
			{0.487026, 0.823929, 0.312321},
			{0.496615, 0.826376, 0.306377},
			{0.506271, 0.828786, 0.300362},
			{0.515992, 0.831158, 0.294279},
			{0.525776, 0.833491, 0.288127},
			{0.535621, 0.835785, 0.281908},
			{0.545524, 0.838039, 0.275626},
			{0.555484, 0.840254, 0.269281},
			{0.565498, 0.842430, 0.262877},
			{0.575563, 0.844566, 0.256415},
			{0.585678, 0.846661, 0.249897},
			{0.595839, 0.848717, 0.243329},
			{0.606045, 0.850733, 0.236712},
			{0.616293, 0.852709, 0.230052},
			{0.626579, 0.854645, 0.223353},
			{0.636902, 0.856542, 0.216620},
			{0.647257, 0.858400, 0.209861},
			{0.657642, 0.860219, 0.203082},
			{0.668054, 0.861999, 0.196293},
			{0.678489, 0.863742, 0.189503},
			{0.688944, 0.865448, 0.182725},
			{0.699415, 0.867117, 0.175971},
			{0.709898, 0.868751, 0.169257},
			{0.720391, 0.870350, 0.162603},
			{0.730889, 0.871916, 0.156029},
			{0.741388, 0.873449, 0.149561},
			{0.751884, 0.874951, 0.143228},
			{0.762373, 0.876424, 0.137064},
			{0.772852, 0.877868, 0.131109},
			{0.783315, 0.879285, 0.125405},
			{0.793760, 0.880678, 0.120005},
			{0.804182, 0.882046, 0.114965},
			{0.814576, 0.883393, 0.110347},
			{0.824940, 0.884720, 0.106217},
			{0.835270, 0.886029, 0.102646},
			{0.845561, 0.887322, 0.099702},
			{0.855810, 0.888601, 0.097452},
			{0.866013, 0.889868, 0.095953},
			{0.876168, 0.891125, 0.095250},
			{0.886271, 0.892374, 0.095374},
			{0.896320, 0.893616, 0.096335},
			{0.906311, 0.894855, 0.098125},
			{0.916242, 0.896091, 0.100717},
			{0.926106, 0.897330, 0.104071},
			{0.935904, 0.898570, 0.108131},
			{0.945636, 0.899815, 0.112838},
			{0.955300, 0.901065, 0.118128},
			{0.964894, 0.902323, 0.123941},
			{0.974417, 0.903590, 0.130215},
			{0.983868, 0.904867, 0.136897},
			{0.993248, 0.906157, 0.143936}};

	private static double[][] magma = {{0.001462, 0.000466, 0.013866},
			{0.002258, 0.001295, 0.018331},
			{0.003279, 0.002305, 0.023708},
			{0.004512, 0.003490, 0.029965},
			{0.005950, 0.004843, 0.037130},
			{0.007588, 0.006356, 0.044973},
			{0.009426, 0.008022, 0.052844},
			{0.011465, 0.009828, 0.060750},
			{0.013708, 0.011771, 0.068667},
			{0.016156, 0.013840, 0.076603},
			{0.018815, 0.016026, 0.084584},
			{0.021692, 0.018320, 0.092610},
			{0.024792, 0.020715, 0.100676},
			{0.028123, 0.023201, 0.108787},
			{0.031696, 0.025765, 0.116965},
			{0.035520, 0.028397, 0.125209},
			{0.039608, 0.031090, 0.133515},
			{0.043830, 0.033830, 0.141886},
			{0.048062, 0.036607, 0.150327},
			{0.052320, 0.039407, 0.158841},
			{0.056615, 0.042160, 0.167446},
			{0.060949, 0.044794, 0.176129},
			{0.065330, 0.047318, 0.184892},
			{0.069764, 0.049726, 0.193735},
			{0.074257, 0.052017, 0.202660},
			{0.078815, 0.054184, 0.211667},
			{0.083446, 0.056225, 0.220755},
			{0.088155, 0.058133, 0.229922},
			{0.092949, 0.059904, 0.239164},
			{0.097833, 0.061531, 0.248477},
			{0.102815, 0.063010, 0.257854},
			{0.107899, 0.064335, 0.267289},
			{0.113094, 0.065492, 0.276784},
			{0.118405, 0.066479, 0.286321},
			{0.123833, 0.067295, 0.295879},
			{0.129380, 0.067935, 0.305443},
			{0.135053, 0.068391, 0.315000},
			{0.140858, 0.068654, 0.324538},
			{0.146785, 0.068738, 0.334011},
			{0.152839, 0.068637, 0.343404},
			{0.159018, 0.068354, 0.352688},
			{0.165308, 0.067911, 0.361816},
			{0.171713, 0.067305, 0.370771},
			{0.178212, 0.066576, 0.379497},
			{0.184801, 0.065732, 0.387973},
			{0.191460, 0.064818, 0.396152},
			{0.198177, 0.063862, 0.404009},
			{0.204935, 0.062907, 0.411514},
			{0.211718, 0.061992, 0.418647},
			{0.218512, 0.061158, 0.425392},
			{0.225302, 0.060445, 0.431742},
			{0.232077, 0.059889, 0.437695},
			{0.238826, 0.059517, 0.443256},
			{0.245543, 0.059352, 0.448436},
			{0.252220, 0.059415, 0.453248},
			{0.258857, 0.059706, 0.457710},
			{0.265447, 0.060237, 0.461840},
			{0.271994, 0.060994, 0.465660},
			{0.278493, 0.061978, 0.469190},
			{0.284951, 0.063168, 0.472451},
			{0.291366, 0.064553, 0.475462},
			{0.297740, 0.066117, 0.478243},
			{0.304081, 0.067835, 0.480812},
			{0.310382, 0.069702, 0.483186},
			{0.316654, 0.071690, 0.485380},
			{0.322899, 0.073782, 0.487408},
			{0.329114, 0.075972, 0.489287},
			{0.335308, 0.078236, 0.491024},
			{0.341482, 0.080564, 0.492631},
			{0.347636, 0.082946, 0.494121},
			{0.353773, 0.085373, 0.495501},
			{0.359898, 0.087831, 0.496778},
			{0.366012, 0.090314, 0.497960},
			{0.372116, 0.092816, 0.499053},
			{0.378211, 0.095332, 0.500067},
			{0.384299, 0.097855, 0.501002},
			{0.390384, 0.100379, 0.501864},
			{0.396467, 0.102902, 0.502658},
			{0.402548, 0.105420, 0.503386},
			{0.408629, 0.107930, 0.504052},
			{0.414709, 0.110431, 0.504662},
			{0.420791, 0.112920, 0.505215},
			{0.426877, 0.115395, 0.505714},
			{0.432967, 0.117855, 0.506160},
			{0.439062, 0.120298, 0.506555},
			{0.445163, 0.122724, 0.506901},
			{0.451271, 0.125132, 0.507198},
			{0.457386, 0.127522, 0.507448},
			{0.463508, 0.129893, 0.507652},
			{0.469640, 0.132245, 0.507809},
			{0.475780, 0.134577, 0.507921},
			{0.481929, 0.136891, 0.507989},
			{0.488088, 0.139186, 0.508011},
			{0.494258, 0.141462, 0.507988},
			{0.500438, 0.143719, 0.507920},
			{0.506629, 0.145958, 0.507806},
			{0.512831, 0.148179, 0.507648},
			{0.519045, 0.150383, 0.507443},
			{0.525270, 0.152569, 0.507192},
			{0.531507, 0.154739, 0.506895},
			{0.537755, 0.156894, 0.506551},
			{0.544015, 0.159033, 0.506159},
			{0.550287, 0.161158, 0.505719},
			{0.556571, 0.163269, 0.505230},
			{0.562866, 0.165368, 0.504692},
			{0.569172, 0.167454, 0.504105},
			{0.575490, 0.169530, 0.503466},
			{0.581819, 0.171596, 0.502777},
			{0.588158, 0.173652, 0.502035},
			{0.594508, 0.175701, 0.501241},
			{0.600868, 0.177743, 0.500394},
			{0.607238, 0.179779, 0.499492},
			{0.613617, 0.181811, 0.498536},
			{0.620005, 0.183840, 0.497524},
			{0.626401, 0.185867, 0.496456},
			{0.632805, 0.187893, 0.495332},
			{0.639216, 0.189921, 0.494150},
			{0.645633, 0.191952, 0.492910},
			{0.652056, 0.193986, 0.491611},
			{0.658483, 0.196027, 0.490253},
			{0.664915, 0.198075, 0.488836},
			{0.671349, 0.200133, 0.487358},
			{0.677786, 0.202203, 0.485819},
			{0.684224, 0.204286, 0.484219},
			{0.690661, 0.206384, 0.482558},
			{0.697098, 0.208501, 0.480835},
			{0.703532, 0.210638, 0.479049},
			{0.709962, 0.212797, 0.477201},
			{0.716387, 0.214982, 0.475290},
			{0.722805, 0.217194, 0.473316},
			{0.729216, 0.219437, 0.471279},
			{0.735616, 0.221713, 0.469180},
			{0.742004, 0.224025, 0.467018},
			{0.748378, 0.226377, 0.464794},
			{0.754737, 0.228772, 0.462509},
			{0.761077, 0.231214, 0.460162},
			{0.767398, 0.233705, 0.457755},
			{0.773695, 0.236249, 0.455289},
			{0.779968, 0.238851, 0.452765},
			{0.786212, 0.241514, 0.450184},
			{0.792427, 0.244242, 0.447543},
			{0.798608, 0.247040, 0.444848},
			{0.804752, 0.249911, 0.442102},
			{0.810855, 0.252861, 0.439305},
			{0.816914, 0.255895, 0.436461},
			{0.822926, 0.259016, 0.433573},
			{0.828886, 0.262229, 0.430644},
			{0.834791, 0.265540, 0.427671},
			{0.840636, 0.268953, 0.424666},
			{0.846416, 0.272473, 0.421631},
			{0.852126, 0.276106, 0.418573},
			{0.857763, 0.279857, 0.415496},
			{0.863320, 0.283729, 0.412403},
			{0.868793, 0.287728, 0.409303},
			{0.874176, 0.291859, 0.406205},
			{0.879464, 0.296125, 0.403118},
			{0.884651, 0.300530, 0.400047},
			{0.889731, 0.305079, 0.397002},
			{0.894700, 0.309773, 0.393995},
			{0.899552, 0.314616, 0.391037},
			{0.904281, 0.319610, 0.388137},
			{0.908884, 0.324755, 0.385308},
			{0.913354, 0.330052, 0.382563},
			{0.917689, 0.335500, 0.379915},
			{0.921884, 0.341098, 0.377376},
			{0.925937, 0.346844, 0.374959},
			{0.929845, 0.352734, 0.372677},
			{0.933606, 0.358764, 0.370541},
			{0.937221, 0.364929, 0.368567},
			{0.940687, 0.371224, 0.366762},
			{0.944006, 0.377643, 0.365136},
			{0.947180, 0.384178, 0.363701},
			{0.950210, 0.390820, 0.362468},
			{0.953099, 0.397563, 0.361438},
			{0.955849, 0.404400, 0.360619},
			{0.958464, 0.411324, 0.360014},
			{0.960949, 0.418323, 0.359630},
			{0.963310, 0.425390, 0.359469},
			{0.965549, 0.432519, 0.359529},
			{0.967671, 0.439703, 0.359810},
			{0.969680, 0.446936, 0.360311},
			{0.971582, 0.454210, 0.361030},
			{0.973381, 0.461520, 0.361965},
			{0.975082, 0.468861, 0.363111},
			{0.976690, 0.476226, 0.364466},
			{0.978210, 0.483612, 0.366025},
			{0.979645, 0.491014, 0.367783},
			{0.981000, 0.498428, 0.369734},
			{0.982279, 0.505851, 0.371874},
			{0.983485, 0.513280, 0.374198},
			{0.984622, 0.520713, 0.376698},
			{0.985693, 0.528148, 0.379371},
			{0.986700, 0.535582, 0.382210},
			{0.987646, 0.543015, 0.385210},
			{0.988533, 0.550446, 0.388365},
			{0.989363, 0.557873, 0.391671},
			{0.990138, 0.565296, 0.395122},
			{0.990871, 0.572706, 0.398714},
			{0.991558, 0.580107, 0.402441},
			{0.992196, 0.587502, 0.406299},
			{0.992785, 0.594891, 0.410283},
			{0.993326, 0.602275, 0.414390},
			{0.993834, 0.609644, 0.418613},
			{0.994309, 0.616999, 0.422950},
			{0.994738, 0.624350, 0.427397},
			{0.995122, 0.631696, 0.431951},
			{0.995480, 0.639027, 0.436607},
			{0.995810, 0.646344, 0.441361},
			{0.996096, 0.653659, 0.446213},
			{0.996341, 0.660969, 0.451160},
			{0.996580, 0.668256, 0.456192},
			{0.996775, 0.675541, 0.461314},
			{0.996925, 0.682828, 0.466526},
			{0.997077, 0.690088, 0.471811},
			{0.997186, 0.697349, 0.477182},
			{0.997254, 0.704611, 0.482635},
			{0.997325, 0.711848, 0.488154},
			{0.997351, 0.719089, 0.493755},
			{0.997351, 0.726324, 0.499428},
			{0.997341, 0.733545, 0.505167},
			{0.997285, 0.740772, 0.510983},
			{0.997228, 0.747981, 0.516859},
			{0.997138, 0.755190, 0.522806},
			{0.997019, 0.762398, 0.528821},
			{0.996898, 0.769591, 0.534892},
			{0.996727, 0.776795, 0.541039},
			{0.996571, 0.783977, 0.547233},
			{0.996369, 0.791167, 0.553499},
			{0.996162, 0.798348, 0.559820},
			{0.995932, 0.805527, 0.566202},
			{0.995680, 0.812706, 0.572645},
			{0.995424, 0.819875, 0.579140},
			{0.995131, 0.827052, 0.585701},
			{0.994851, 0.834213, 0.592307},
			{0.994524, 0.841387, 0.598983},
			{0.994222, 0.848540, 0.605696},
			{0.993866, 0.855711, 0.612482},
			{0.993545, 0.862859, 0.619299},
			{0.993170, 0.870024, 0.626189},
			{0.992831, 0.877168, 0.633109},
			{0.992440, 0.884330, 0.640099},
			{0.992089, 0.891470, 0.647116},
			{0.991688, 0.898627, 0.654202},
			{0.991332, 0.905763, 0.661309},
			{0.990930, 0.912915, 0.668481},
			{0.990570, 0.920049, 0.675675},
			{0.990175, 0.927196, 0.682926},
			{0.989815, 0.934329, 0.690198},
			{0.989434, 0.941470, 0.697519},
			{0.989077, 0.948604, 0.704863},
			{0.988717, 0.955742, 0.712242},
			{0.988367, 0.962878, 0.719649},
			{0.988033, 0.970012, 0.727077},
			{0.987691, 0.977154, 0.734536},
			{0.987387, 0.984288, 0.742002},
			{0.987053, 0.991438, 0.749504}};

	private static double[][] inferno = {{0.001462, 0.000466, 0.013866},
			{0.002267, 0.001270, 0.018570},
			{0.003299, 0.002249, 0.024239},
			{0.004547, 0.003392, 0.030909},
			{0.006006, 0.004692, 0.038558},
			{0.007676, 0.006136, 0.046836},
			{0.009561, 0.007713, 0.055143},
			{0.011663, 0.009417, 0.063460},
			{0.013995, 0.011225, 0.071862},
			{0.016561, 0.013136, 0.080282},
			{0.019373, 0.015133, 0.088767},
			{0.022447, 0.017199, 0.097327},
			{0.025793, 0.019331, 0.105930},
			{0.029432, 0.021503, 0.114621},
			{0.033385, 0.023702, 0.123397},
			{0.037668, 0.025921, 0.132232},
			{0.042253, 0.028139, 0.141141},
			{0.046915, 0.030324, 0.150164},
			{0.051644, 0.032474, 0.159254},
			{0.056449, 0.034569, 0.168414},
			{0.061340, 0.036590, 0.177642},
			{0.066331, 0.038504, 0.186962},
			{0.071429, 0.040294, 0.196354},
			{0.076637, 0.041905, 0.205799},
			{0.081962, 0.043328, 0.215289},
			{0.087411, 0.044556, 0.224813},
			{0.092990, 0.045583, 0.234358},
			{0.098702, 0.046402, 0.243904},
			{0.104551, 0.047008, 0.253430},
			{0.110536, 0.047399, 0.262912},
			{0.116656, 0.047574, 0.272321},
			{0.122908, 0.047536, 0.281624},
			{0.129285, 0.047293, 0.290788},
			{0.135778, 0.046856, 0.299776},
			{0.142378, 0.046242, 0.308553},
			{0.149073, 0.045468, 0.317085},
			{0.155850, 0.044559, 0.325338},
			{0.162689, 0.043554, 0.333277},
			{0.169575, 0.042489, 0.340874},
			{0.176493, 0.041402, 0.348111},
			{0.183429, 0.040329, 0.354971},
			{0.190367, 0.039309, 0.361447},
			{0.197297, 0.038400, 0.367535},
			{0.204209, 0.037632, 0.373238},
			{0.211095, 0.037030, 0.378563},
			{0.217949, 0.036615, 0.383522},
			{0.224763, 0.036405, 0.388129},
			{0.231538, 0.036405, 0.392400},
			{0.238273, 0.036621, 0.396353},
			{0.244967, 0.037055, 0.400007},
			{0.251620, 0.037705, 0.403378},
			{0.258234, 0.038571, 0.406485},
			{0.264810, 0.039647, 0.409345},
			{0.271347, 0.040922, 0.411976},
			{0.277850, 0.042353, 0.414392},
			{0.284321, 0.043933, 0.416608},
			{0.290763, 0.045644, 0.418637},
			{0.297178, 0.047470, 0.420491},
			{0.303568, 0.049396, 0.422182},
			{0.309935, 0.051407, 0.423721},
			{0.316282, 0.053490, 0.425116},
			{0.322610, 0.055634, 0.426377},
			{0.328921, 0.057827, 0.427511},
			{0.335217, 0.060060, 0.428524},
			{0.341500, 0.062325, 0.429425},
			{0.347771, 0.064616, 0.430217},
			{0.354032, 0.066925, 0.430906},
			{0.360284, 0.069247, 0.431497},
			{0.366529, 0.071579, 0.431994},
			{0.372768, 0.073915, 0.432400},
			{0.379001, 0.076253, 0.432719},
			{0.385228, 0.078591, 0.432955},
			{0.391453, 0.080927, 0.433109},
			{0.397674, 0.083257, 0.433183},
			{0.403894, 0.085580, 0.433179},
			{0.410113, 0.087896, 0.433098},
			{0.416331, 0.090203, 0.432943},
			{0.422549, 0.092501, 0.432714},
			{0.428768, 0.094790, 0.432412},
			{0.434987, 0.097069, 0.432039},
			{0.441207, 0.099338, 0.431594},
			{0.447428, 0.101597, 0.431080},
			{0.453651, 0.103848, 0.430498},
			{0.459875, 0.106089, 0.429846},
			{0.466100, 0.108322, 0.429125},
			{0.472328, 0.110547, 0.428334},
			{0.478558, 0.112764, 0.427475},
			{0.484789, 0.114974, 0.426548},
			{0.491022, 0.117179, 0.425552},
			{0.497257, 0.119379, 0.424488},
			{0.503493, 0.121575, 0.423356},
			{0.509730, 0.123769, 0.422156},
			{0.515967, 0.125960, 0.420887},
			{0.522206, 0.128150, 0.419549},
			{0.528444, 0.130341, 0.418142},
			{0.534683, 0.132534, 0.416667},
			{0.540920, 0.134729, 0.415123},
			{0.547157, 0.136929, 0.413511},
			{0.553392, 0.139134, 0.411829},
			{0.559624, 0.141346, 0.410078},
			{0.565854, 0.143567, 0.408258},
			{0.572081, 0.145797, 0.406369},
			{0.578304, 0.148039, 0.404411},
			{0.584521, 0.150294, 0.402385},
			{0.590734, 0.152563, 0.400290},
			{0.596940, 0.154848, 0.398125},
			{0.603139, 0.157151, 0.395891},
			{0.609330, 0.159474, 0.393589},
			{0.615513, 0.161817, 0.391219},
			{0.621685, 0.164184, 0.388781},
			{0.627847, 0.166575, 0.386276},
			{0.633998, 0.168992, 0.383704},
			{0.640135, 0.171438, 0.381065},
			{0.646260, 0.173914, 0.378359},
			{0.652369, 0.176421, 0.375586},
			{0.658463, 0.178962, 0.372748},
			{0.664540, 0.181539, 0.369846},
			{0.670599, 0.184153, 0.366879},
			{0.676638, 0.186807, 0.363849},
			{0.682656, 0.189501, 0.360757},
			{0.688653, 0.192239, 0.357603},
			{0.694627, 0.195021, 0.354388},
			{0.700576, 0.197851, 0.351113},
			{0.706500, 0.200728, 0.347777},
			{0.712396, 0.203656, 0.344383},
			{0.718264, 0.206636, 0.340931},
			{0.724103, 0.209670, 0.337424},
			{0.729909, 0.212759, 0.333861},
			{0.735683, 0.215906, 0.330245},
			{0.741423, 0.219112, 0.326576},
			{0.747127, 0.222378, 0.322856},
			{0.752794, 0.225706, 0.319085},
			{0.758422, 0.229097, 0.315266},
			{0.764010, 0.232554, 0.311399},
			{0.769556, 0.236077, 0.307485},
			{0.775059, 0.239667, 0.303526},
			{0.780517, 0.243327, 0.299523},
			{0.785929, 0.247056, 0.295477},
			{0.791293, 0.250856, 0.291390},
			{0.796607, 0.254728, 0.287264},
			{0.801871, 0.258674, 0.283099},
			{0.807082, 0.262692, 0.278898},
			{0.812239, 0.266786, 0.274661},
			{0.817341, 0.270954, 0.270390},
			{0.822386, 0.275197, 0.266085},
			{0.827372, 0.279517, 0.261750},
			{0.832299, 0.283913, 0.257383},
			{0.837165, 0.288385, 0.252988},
			{0.841969, 0.292933, 0.248564},
			{0.846709, 0.297559, 0.244113},
			{0.851384, 0.302260, 0.239636},
			{0.855992, 0.307038, 0.235133},
			{0.860533, 0.311892, 0.230606},
			{0.865006, 0.316822, 0.226055},
			{0.869409, 0.321827, 0.221482},
			{0.873741, 0.326906, 0.216886},
			{0.878001, 0.332060, 0.212268},
			{0.882188, 0.337287, 0.207628},
			{0.886302, 0.342586, 0.202968},
			{0.890341, 0.347957, 0.198286},
			{0.894305, 0.353399, 0.193584},
			{0.898192, 0.358911, 0.188860},
			{0.902003, 0.364492, 0.184116},
			{0.905735, 0.370140, 0.179350},
			{0.909390, 0.375856, 0.174563},
			{0.912966, 0.381636, 0.169755},
			{0.916462, 0.387481, 0.164924},
			{0.919879, 0.393389, 0.160070},
			{0.923215, 0.399359, 0.155193},
			{0.926470, 0.405389, 0.150292},
			{0.929644, 0.411479, 0.145367},
			{0.932737, 0.417627, 0.140417},
			{0.935747, 0.423831, 0.135440},
			{0.938675, 0.430091, 0.130438},
			{0.941521, 0.436405, 0.125409},
			{0.944285, 0.442772, 0.120354},
			{0.946965, 0.449191, 0.115272},
			{0.949562, 0.455660, 0.110164},
			{0.952075, 0.462178, 0.105031},
			{0.954506, 0.468744, 0.099874},
			{0.956852, 0.475356, 0.094695},
			{0.959114, 0.482014, 0.089499},
			{0.961293, 0.488716, 0.084289},
			{0.963387, 0.495462, 0.079073},
			{0.965397, 0.502249, 0.073859},
			{0.967322, 0.509078, 0.068659},
			{0.969163, 0.515946, 0.063488},
			{0.970919, 0.522853, 0.058367},
			{0.972590, 0.529798, 0.053324},
			{0.974176, 0.536780, 0.048392},
			{0.975677, 0.543798, 0.043618},
			{0.977092, 0.550850, 0.039050},
			{0.978422, 0.557937, 0.034931},
			{0.979666, 0.565057, 0.031409},
			{0.980824, 0.572209, 0.028508},
			{0.981895, 0.579392, 0.026250},
			{0.982881, 0.586606, 0.024661},
			{0.983779, 0.593849, 0.023770},
			{0.984591, 0.601122, 0.023606},
			{0.985315, 0.608422, 0.024202},
			{0.985952, 0.615750, 0.025592},
			{0.986502, 0.623105, 0.027814},
			{0.986964, 0.630485, 0.030908},
			{0.987337, 0.637890, 0.034916},
			{0.987622, 0.645320, 0.039886},
			{0.987819, 0.652773, 0.045581},
			{0.987926, 0.660250, 0.051750},
			{0.987945, 0.667748, 0.058329},
			{0.987874, 0.675267, 0.065257},
			{0.987714, 0.682807, 0.072489},
			{0.987464, 0.690366, 0.079990},
			{0.987124, 0.697944, 0.087731},
			{0.986694, 0.705540, 0.095694},
			{0.986175, 0.713153, 0.103863},
			{0.985566, 0.720782, 0.112229},
			{0.984865, 0.728427, 0.120785},
			{0.984075, 0.736087, 0.129527},
			{0.983196, 0.743758, 0.138453},
			{0.982228, 0.751442, 0.147565},
			{0.981173, 0.759135, 0.156863},
			{0.980032, 0.766837, 0.166353},
			{0.978806, 0.774545, 0.176037},
			{0.977497, 0.782258, 0.185923},
			{0.976108, 0.789974, 0.196018},
			{0.974638, 0.797692, 0.206332},
			{0.973088, 0.805409, 0.216877},
			{0.971468, 0.813122, 0.227658},
			{0.969783, 0.820825, 0.238686},
			{0.968041, 0.828515, 0.249972},
			{0.966243, 0.836191, 0.261534},
			{0.964394, 0.843848, 0.273391},
			{0.962517, 0.851476, 0.285546},
			{0.960626, 0.859069, 0.298010},
			{0.958720, 0.866624, 0.310820},
			{0.956834, 0.874129, 0.323974},
			{0.954997, 0.881569, 0.337475},
			{0.953215, 0.888942, 0.351369},
			{0.951546, 0.896226, 0.365627},
			{0.950018, 0.903409, 0.380271},
			{0.948683, 0.910473, 0.395289},
			{0.947594, 0.917399, 0.410665},
			{0.946809, 0.924168, 0.426373},
			{0.946392, 0.930761, 0.442367},
			{0.946403, 0.937159, 0.458592},
			{0.946903, 0.943348, 0.474970},
			{0.947937, 0.949318, 0.491426},
			{0.949545, 0.955063, 0.507860},
			{0.951740, 0.960587, 0.524203},
			{0.954529, 0.965896, 0.540361},
			{0.957896, 0.971003, 0.556275},
			{0.961812, 0.975924, 0.571925},
			{0.966249, 0.980678, 0.587206},
			{0.971162, 0.985282, 0.602154},
			{0.976511, 0.989753, 0.616760},
			{0.982257, 0.994109, 0.631017},
			{0.988362, 0.998364, 0.644924}};

	private static double[][] plasma = {{0.050383, 0.029803, 0.527975},
			{0.063536, 0.028426, 0.533124},
			{0.075353, 0.027206, 0.538007},
			{0.086222, 0.026125, 0.542658},
			{0.096379, 0.025165, 0.547103},
			{0.105980, 0.024309, 0.551368},
			{0.115124, 0.023556, 0.555468},
			{0.123903, 0.022878, 0.559423},
			{0.132381, 0.022258, 0.563250},
			{0.140603, 0.021687, 0.566959},
			{0.148607, 0.021154, 0.570562},
			{0.156421, 0.020651, 0.574065},
			{0.164070, 0.020171, 0.577478},
			{0.171574, 0.019706, 0.580806},
			{0.178950, 0.019252, 0.584054},
			{0.186213, 0.018803, 0.587228},
			{0.193374, 0.018354, 0.590330},
			{0.200445, 0.017902, 0.593364},
			{0.207435, 0.017442, 0.596333},
			{0.214350, 0.016973, 0.599239},
			{0.221197, 0.016497, 0.602083},
			{0.227983, 0.016007, 0.604867},
			{0.234715, 0.015502, 0.607592},
			{0.241396, 0.014979, 0.610259},
			{0.248032, 0.014439, 0.612868},
			{0.254627, 0.013882, 0.615419},
			{0.261183, 0.013308, 0.617911},
			{0.267703, 0.012716, 0.620346},
			{0.274191, 0.012109, 0.622722},
			{0.280648, 0.011488, 0.625038},
			{0.287076, 0.010855, 0.627295},
			{0.293478, 0.010213, 0.629490},
			{0.299855, 0.009561, 0.631624},
			{0.306210, 0.008902, 0.633694},
			{0.312543, 0.008239, 0.635700},
			{0.318856, 0.007576, 0.637640},
			{0.325150, 0.006915, 0.639512},
			{0.331426, 0.006261, 0.641316},
			{0.337683, 0.005618, 0.643049},
			{0.343925, 0.004991, 0.644710},
			{0.350150, 0.004382, 0.646298},
			{0.356359, 0.003798, 0.647810},
			{0.362553, 0.003243, 0.649245},
			{0.368733, 0.002724, 0.650601},
			{0.374897, 0.002245, 0.651876},
			{0.381047, 0.001814, 0.653068},
			{0.387183, 0.001434, 0.654177},
			{0.393304, 0.001114, 0.655199},
			{0.399411, 0.000859, 0.656133},
			{0.405503, 0.000678, 0.656977},
			{0.411580, 0.000577, 0.657730},
			{0.417642, 0.000564, 0.658390},
			{0.423689, 0.000646, 0.658956},
			{0.429719, 0.000831, 0.659425},
			{0.435734, 0.001127, 0.659797},
			{0.441732, 0.001540, 0.660069},
			{0.447714, 0.002080, 0.660240},
			{0.453677, 0.002755, 0.660310},
			{0.459623, 0.003574, 0.660277},
			{0.465550, 0.004545, 0.660139},
			{0.471457, 0.005678, 0.659897},
			{0.477344, 0.006980, 0.659549},
			{0.483210, 0.008460, 0.659095},
			{0.489055, 0.010127, 0.658534},
			{0.494877, 0.011990, 0.657865},
			{0.500678, 0.014055, 0.657088},
			{0.506454, 0.016333, 0.656202},
			{0.512206, 0.018833, 0.655209},
			{0.517933, 0.021563, 0.654109},
			{0.523633, 0.024532, 0.652901},
			{0.529306, 0.027747, 0.651586},
			{0.534952, 0.031217, 0.650165},
			{0.540570, 0.034950, 0.648640},
			{0.546157, 0.038954, 0.647010},
			{0.551715, 0.043136, 0.645277},
			{0.557243, 0.047331, 0.643443},
			{0.562738, 0.051545, 0.641509},
			{0.568201, 0.055778, 0.639477},
			{0.573632, 0.060028, 0.637349},
			{0.579029, 0.064296, 0.635126},
			{0.584391, 0.068579, 0.632812},
			{0.589719, 0.072878, 0.630408},
			{0.595011, 0.077190, 0.627917},
			{0.600266, 0.081516, 0.625342},
			{0.605485, 0.085854, 0.622686},
			{0.610667, 0.090204, 0.619951},
			{0.615812, 0.094564, 0.617140},
			{0.620919, 0.098934, 0.614257},
			{0.625987, 0.103312, 0.611305},
			{0.631017, 0.107699, 0.608287},
			{0.636008, 0.112092, 0.605205},
			{0.640959, 0.116492, 0.602065},
			{0.645872, 0.120898, 0.598867},
			{0.650746, 0.125309, 0.595617},
			{0.655580, 0.129725, 0.592317},
			{0.660374, 0.134144, 0.588971},
			{0.665129, 0.138566, 0.585582},
			{0.669845, 0.142992, 0.582154},
			{0.674522, 0.147419, 0.578688},
			{0.679160, 0.151848, 0.575189},
			{0.683758, 0.156278, 0.571660},
			{0.688318, 0.160709, 0.568103},
			{0.692840, 0.165141, 0.564522},
			{0.697324, 0.169573, 0.560919},
			{0.701769, 0.174005, 0.557296},
			{0.706178, 0.178437, 0.553657},
			{0.710549, 0.182868, 0.550004},
			{0.714883, 0.187299, 0.546338},
			{0.719181, 0.191729, 0.542663},
			{0.723444, 0.196158, 0.538981},
			{0.727670, 0.200586, 0.535293},
			{0.731862, 0.205013, 0.531601},
			{0.736019, 0.209439, 0.527908},
			{0.740143, 0.213864, 0.524216},
			{0.744232, 0.218288, 0.520524},
			{0.748289, 0.222711, 0.516834},
			{0.752312, 0.227133, 0.513149},
			{0.756304, 0.231555, 0.509468},
			{0.760264, 0.235976, 0.505794},
			{0.764193, 0.240396, 0.502126},
			{0.768090, 0.244817, 0.498465},
			{0.771958, 0.249237, 0.494813},
			{0.775796, 0.253658, 0.491171},
			{0.779604, 0.258078, 0.487539},
			{0.783383, 0.262500, 0.483918},
			{0.787133, 0.266922, 0.480307},
			{0.790855, 0.271345, 0.476706},
			{0.794549, 0.275770, 0.473117},
			{0.798216, 0.280197, 0.469538},
			{0.801855, 0.284626, 0.465971},
			{0.805467, 0.289057, 0.462415},
			{0.809052, 0.293491, 0.458870},
			{0.812612, 0.297928, 0.455338},
			{0.816144, 0.302368, 0.451816},
			{0.819651, 0.306812, 0.448306},
			{0.823132, 0.311261, 0.444806},
			{0.826588, 0.315714, 0.441316},
			{0.830018, 0.320172, 0.437836},
			{0.833422, 0.324635, 0.434366},
			{0.836801, 0.329105, 0.430905},
			{0.840155, 0.333580, 0.427455},
			{0.843484, 0.338062, 0.424013},
			{0.846788, 0.342551, 0.420579},
			{0.850066, 0.347048, 0.417153},
			{0.853319, 0.351553, 0.413734},
			{0.856547, 0.356066, 0.410322},
			{0.859750, 0.360588, 0.406917},
			{0.862927, 0.365119, 0.403519},
			{0.866078, 0.369660, 0.400126},
			{0.869203, 0.374212, 0.396738},
			{0.872303, 0.378774, 0.393355},
			{0.875376, 0.383347, 0.389976},
			{0.878423, 0.387932, 0.386600},
			{0.881443, 0.392529, 0.383229},
			{0.884436, 0.397139, 0.379860},
			{0.887402, 0.401762, 0.376494},
			{0.890340, 0.406398, 0.373130},
			{0.893250, 0.411048, 0.369768},
			{0.896131, 0.415712, 0.366407},
			{0.898984, 0.420392, 0.363047},
			{0.901807, 0.425087, 0.359688},
			{0.904601, 0.429797, 0.356329},
			{0.907365, 0.434524, 0.352970},
			{0.910098, 0.439268, 0.349610},
			{0.912800, 0.444029, 0.346251},
			{0.915471, 0.448807, 0.342890},
			{0.918109, 0.453603, 0.339529},
			{0.920714, 0.458417, 0.336166},
			{0.923287, 0.463251, 0.332801},
			{0.925825, 0.468103, 0.329435},
			{0.928329, 0.472975, 0.326067},
			{0.930798, 0.477867, 0.322697},
			{0.933232, 0.482780, 0.319325},
			{0.935630, 0.487712, 0.315952},
			{0.937990, 0.492667, 0.312575},
			{0.940313, 0.497642, 0.309197},
			{0.942598, 0.502639, 0.305816},
			{0.944844, 0.507658, 0.302433},
			{0.947051, 0.512699, 0.299049},
			{0.949217, 0.517763, 0.295662},
			{0.951344, 0.522850, 0.292275},
			{0.953428, 0.527960, 0.288883},
			{0.955470, 0.533093, 0.285490},
			{0.957469, 0.538250, 0.282096},
			{0.959424, 0.543431, 0.278701},
			{0.961336, 0.548636, 0.275305},
			{0.963203, 0.553865, 0.271909},
			{0.965024, 0.559118, 0.268513},
			{0.966798, 0.564396, 0.265118},
			{0.968526, 0.569700, 0.261721},
			{0.970205, 0.575028, 0.258325},
			{0.971835, 0.580382, 0.254931},
			{0.973416, 0.585761, 0.251540},
			{0.974947, 0.591165, 0.248151},
			{0.976428, 0.596595, 0.244767},
			{0.977856, 0.602051, 0.241387},
			{0.979233, 0.607532, 0.238013},
			{0.980556, 0.613039, 0.234646},
			{0.981826, 0.618572, 0.231287},
			{0.983041, 0.624131, 0.227937},
			{0.984199, 0.629718, 0.224595},
			{0.985301, 0.635330, 0.221265},
			{0.986345, 0.640969, 0.217948},
			{0.987332, 0.646633, 0.214648},
			{0.988260, 0.652325, 0.211364},
			{0.989128, 0.658043, 0.208100},
			{0.989935, 0.663787, 0.204859},
			{0.990681, 0.669558, 0.201642},
			{0.991365, 0.675355, 0.198453},
			{0.991985, 0.681179, 0.195295},
			{0.992541, 0.687030, 0.192170},
			{0.993032, 0.692907, 0.189084},
			{0.993456, 0.698810, 0.186041},
			{0.993814, 0.704741, 0.183043},
			{0.994103, 0.710698, 0.180097},
			{0.994324, 0.716681, 0.177208},
			{0.994474, 0.722691, 0.174381},
			{0.994553, 0.728728, 0.171622},
			{0.994561, 0.734791, 0.168938},
			{0.994495, 0.740880, 0.166335},
			{0.994355, 0.746995, 0.163821},
			{0.994141, 0.753137, 0.161404},
			{0.993851, 0.759304, 0.159092},
			{0.993482, 0.765499, 0.156891},
			{0.993033, 0.771720, 0.154808},
			{0.992505, 0.777967, 0.152855},
			{0.991897, 0.784239, 0.151042},
			{0.991209, 0.790537, 0.149377},
			{0.990439, 0.796859, 0.147870},
			{0.989587, 0.803205, 0.146529},
			{0.988648, 0.809579, 0.145357},
			{0.987621, 0.815978, 0.144363},
			{0.986509, 0.822401, 0.143557},
			{0.985314, 0.828846, 0.142945},
			{0.984031, 0.835315, 0.142528},
			{0.982653, 0.841812, 0.142303},
			{0.981190, 0.848329, 0.142279},
			{0.979644, 0.854866, 0.142453},
			{0.977995, 0.861432, 0.142808},
			{0.976265, 0.868016, 0.143351},
			{0.974443, 0.874622, 0.144061},
			{0.972530, 0.881250, 0.144923},
			{0.970533, 0.887896, 0.145919},
			{0.968443, 0.894564, 0.147014},
			{0.966271, 0.901249, 0.148180},
			{0.964021, 0.907950, 0.149370},
			{0.961681, 0.914672, 0.150520},
			{0.959276, 0.921407, 0.151566},
			{0.956808, 0.928152, 0.152409},
			{0.954287, 0.934908, 0.152921},
			{0.951726, 0.941671, 0.152925},
			{0.949151, 0.948435, 0.152178},
			{0.946602, 0.955190, 0.150328},
			{0.944152, 0.961916, 0.146861},
			{0.941896, 0.968590, 0.140956},
			{0.940015, 0.975158, 0.131326}};

	public static Color PickRainbow(double fraction)
	{	// make sure between 0 and 1
		fraction=Math.min(Math.max(0.,fraction),1.);
		if(numberContours>1)
		{	int trunc=(int)(numberContours*fraction);
			fraction=Math.min((double)trunc/(double)(numberContours-1),1.);
		}
		if(inverted) fraction=1.-fraction;
		
		// get the color
		Color theColor;
		int rgb;
		float hue,red,green,blue;
		switch(spectrum)
		{	case GRAY_SCALE:
				theColor=new Color((float)fraction,(float)fraction,(float)fraction);
				break;
			case BLUE_TO_CYAN:
				//hue=(float)(0.67+0.83*fraction);
				//if(hue>1.0) hue-=1.0;
				// change to purple (0.777) down to red (0.0)
				hue=(float)(0.777*(1.-fraction));
				rgb=Color.HSBtoRGB(hue,(float)1.0,brightness);
				theColor=new Color(rgb);
				break;
			case BLUE_TO_RED:
				hue=(float)(0.67*(1.-fraction));
				rgb=Color.HSBtoRGB(hue,(float)1.0,brightness);
				theColor=new Color(rgb);
				break;
			case PURPLE_TO_ORANGE:
				hue=(float)(0.777-0.702*fraction);
				rgb=Color.HSBtoRGB(hue,(float)1.0,brightness);
				theColor=new Color(rgb);
				break;
			case COOL_DIVERGING:
				// diverging colors from RGB = (35,61,181) to (172,36,32) through (223,223,223)
				//                           = (0.13672,0.23828,0.70703) to (0.67188,0.14063,0.125) through (0.87109 x 3)
				if(fraction<0.5)
				{	red=(float)(0.13672 + 1.4688*fraction);
					green=(float)(0.23828 + 1.2656*fraction);
					blue=(float)(0.70703 + 0.32813*fraction);
				}
				else
				{	red=(float)(1.0703 - 0.39843*fraction);
					green=(float)(1.6016 - 1.4609*fraction);
					blue=(float)(1.6172 - 1.4922*fraction);
				}
				theColor=new Color(red,green,blue);
				break;
			case VIRIDIS:
			case MAGMA:
			case INFERNO:
			case PLASMA:
				// Perceptually uniform maps from matplotlib
				// pick from color map
				fraction *= 255;			// 0 to 255
				int fmin =(int)fraction;
				if(fmin==255) fmin=254;
				double f = fraction-(double)fmin;
				switch(spectrum)
				{	case MAGMA:
						red = (float)((1-f)*magma[fmin][0] + f*magma[fmin+1][0]);
						green = (float)((1-f)*magma[fmin][1] + f*magma[fmin+1][1]);
						blue = (float)((1-f)*magma[fmin][2] + f*magma[fmin+1][2]);
						break;
					case PLASMA:
						red = (float)((1-f)*plasma[fmin][0] + f*plasma[fmin+1][0]);
						green = (float)((1-f)*plasma[fmin][1] + f*plasma[fmin+1][1]);
						blue = (float)((1-f)*plasma[fmin][2] + f*plasma[fmin+1][2]);
						break;
					case INFERNO:
						red = (float)((1-f)*inferno[fmin][0] + f*inferno[fmin+1][0]);
						green = (float)((1-f)*inferno[fmin][1] + f*inferno[fmin+1][1]);
						blue = (float)((1-f)*inferno[fmin][2] + f*inferno[fmin+1][2]);
						break;
					case VIRIDIS:
					default:
						red = (float)((1-f)*viridis[fmin][0] + f*viridis[fmin+1][0]);
						green = (float)((1-f)*viridis[fmin][1] + f*viridis[fmin+1][1]);
						blue = (float)((1-f)*viridis[fmin][2] + f*viridis[fmin+1][2]);
						break;
				}
				theColor=new Color(red,green,blue);
				break;
			default:
				theColor=new Color((float)fraction,(float)fraction,(float)fraction);
				break;
		}
		return theColor;
	}
	
	// get/set current spectrum type
	public static int getSpectrumType() { return spectrum; }
	public static void setSpectrumType()
	{	int newType=NFMVPrefs.prefs.getInt(NFMVPrefs.SpectrumKey,NFMVPrefs.SpectrumDef);
		if(newType>=BLUE_TO_CYAN && newType<=PLASMA)
			spectrum=newType;
	}
	
	// get/set number of contours
	public static int getNumberOfContours() { return numberContours; }
	public static void setNumberOfContours()
	{	int newNumber=NFMVPrefs.prefs.getInt(NFMVPrefs.NumContoursKey,NFMVPrefs.NumContoursDef);
		if(newNumber>=1)
			numberContours=newNumber;
	}
}
